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Effect of Cooling Rate on Dimensional and Topological Characteristics of Microstructure of Steel 08G2S (A516-55) Manufactured by Additive Argon-Arc Surfacing 冷却速率对添加氩弧堆焊08G2S （A516-55）钢微观组织尺寸和拓扑特征的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-12 DOI: 10.1007/s11041-026-01186-1
K. V. Makarenko, A. V. Vdovin, A. G. Fedukov, E. A. Zentsova, M. A. Novikov, A. V. Kirichek
{"title":"Effect of Cooling Rate on Dimensional and Topological Characteristics of Microstructure of Steel 08G2S (A516-55) Manufactured by Additive Argon-Arc Surfacing","authors":"K. V. Makarenko,&nbsp;A. V. Vdovin,&nbsp;A. G. Fedukov,&nbsp;E. A. Zentsova,&nbsp;M. A. Novikov,&nbsp;A. V. Kirichek","doi":"10.1007/s11041-026-01186-1","DOIUrl":"10.1007/s11041-026-01186-1","url":null,"abstract":"<p>The effect of forced cooling on the dimensional and topological characteristics of the microstructure of a workpiece fabricated from steel 08G2S (A516-55) by additive argon-arc surface welding is investigated. The forced cooling is implemented using a specially designed water-cooled table with a fixed substrate for additive growth of the workpiece. The effect of the welding heat on formation of the microstructure is studied after using two cooling rates (3 and 5 L/min) and without cooling. The dimensional and topological characteristics (the grain size and the degree of anisotropy) are determined by computer microscopy using special software. The most effective cooling modes providing high dimensional and topological characteristics of the microstructure of the workpiece grown by the additive method are determined.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"483 - 493"},"PeriodicalIF":0.5,"publicationDate":"2026-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Structure and Properties of Blanks Obtained from Chips of Magnesium Alloy MA5 (AZ80A) MA5 （AZ80A）镁合金切屑坯的组织与性能研究
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-12 DOI: 10.1007/s11041-026-01185-2
V. N. Tsemenko, S. V. Ganin, M. Yu. Zamozdra
{"title":"Study of the Structure and Properties of Blanks Obtained from Chips of Magnesium Alloy MA5 (AZ80A)","authors":"V. N. Tsemenko,&nbsp;S. V. Ganin,&nbsp;M. Yu. Zamozdra","doi":"10.1007/s11041-026-01185-2","DOIUrl":"10.1007/s11041-026-01185-2","url":null,"abstract":"<p>Results of a comprehensive analysis of features of formation of macro- and microstructure during compaction and plastic deformation of blanks from chips of magnesium alloy MA5 (AZ80A) under temperature and deformation conditions selected by physical and computer simulation are presented. The mechanical properties of the blanks and the defects of their structure are determined. Annealing and compacting rolling are recommended to eliminate the defects. The rolling removes the porosity of the blanks almost completely, the interparticle boundaries disappear, and the differences in the grain sizes are reduced. The mechanical properties of the blanks obtained meet the standard requirements for pressed bars from magnesium alloys.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"476 - 482"},"PeriodicalIF":0.5,"publicationDate":"2026-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generalized Equation for the Kinetics of Isothermal Transformation of Supercooled Austenite in Steels 钢中过冷奥氏体等温转变动力学的广义方程
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-08 DOI: 10.1007/s11041-025-01160-3
M. V. Maisuradze, Yu. V. Yudin, A. A. Kuklina
{"title":"Generalized Equation for the Kinetics of Isothermal Transformation of Supercooled Austenite in Steels","authors":"M. V. Maisuradze,&nbsp;Yu. V. Yudin,&nbsp;A. A. Kuklina","doi":"10.1007/s11041-025-01160-3","DOIUrl":"10.1007/s11041-025-01160-3","url":null,"abstract":"<p>We propose a differential equation for the mathematical description of the kinetics of the isothermal transformation in supercooled austenite. This equation generalizes specific cases, including the Austin–Ricketts and Johnson–Mehl–Avrami–Kolmogorov (JMAK) equations. A series of computational experiments was conducted to evaluate the applicability of the derived equation in describing total transformation kinetics. The findings demonstrate that the generalized equation significantly improves the accuracy of mathematical descriptions for the experimental kinetics of isothermal bainitic transformation.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"287 - 292"},"PeriodicalIF":0.5,"publicationDate":"2025-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing the Performance of Resistance Spot Welding (RSW) Through in-situ Heating and Welded Joints Quality: Overview 通过原位加热和焊接接头质量提高电阻点焊性能：综述
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01177-8
Qingwei Liu, Zuhong Lu, Xi Huang, Hui Wang
{"title":"Enhancing the Performance of Resistance Spot Welding (RSW) Through in-situ Heating and Welded Joints Quality: Overview","authors":"Qingwei Liu,&nbsp;Zuhong Lu,&nbsp;Xi Huang,&nbsp;Hui Wang","doi":"10.1007/s11041-025-01177-8","DOIUrl":"10.1007/s11041-025-01177-8","url":null,"abstract":"<p>This article reviews the effects of dual-pulse spot welding (DSW) on the microstructure of welds, mechanical properties, and crack characteristics during the in-situ post-heating process, elucidating the mechanisms underlying these effects. The research findings indicate that dual-pulse welding change the microstructure of the fusion zone, modifies the grain size in the heat-affected zone, improves the fatigue resistance of weld points, and effectively reduces both the number and density of cracks. Additionally, it controls crack propagation, thereby decreasing crack length, minimizing welding defects, and enhancing the overall quality of the welded joints. These improvements are crucial for enhancing the safety and durability of welded structures.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"413 - 422"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Various Aging Temperatures on the Tensile Performance of Aluminum Alloy 2219-T87 Plate 不同时效温度对2219-T87铝合金板拉伸性能的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01168-9
Atif Shazad, Muhammad Uzair, Muhammad Tufail
{"title":"Effect of Various Aging Temperatures on the Tensile Performance of Aluminum Alloy 2219-T87 Plate","authors":"Atif Shazad,&nbsp;Muhammad Uzair,&nbsp;Muhammad Tufail","doi":"10.1007/s11041-025-01168-9","DOIUrl":"10.1007/s11041-025-01168-9","url":null,"abstract":"<p>The effect of temperature and duration of artificial aging on the strength and ductility characteristics of aluminum alloy 2219-T87 was investigated in static tensile tests of a 6 mmthick plate. It was found that the tensile strength of the alloy after aging decreases, and the yield strength increases significantly as a result of the precipitation hardening process. At the same time, an increase in the artificial aging temperature leads to more significant changes in the strength characteristics of the alloy, as well as to a decrease in its ductility. It is shown that in order to achieve the optimal ratio of mechanical characteristics of alloy 2219-T87 in each specific case, an individual approach to the assignment of the artificial aging mode is necessary.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"345 - 350"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of an Installation for Heat Treatment of Sucker Rods with the Use of Fuzzy Logic 利用模糊逻辑开发抽油杆热处理装置
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01179-6
E. A. Aliyev, J. R. Damirova
{"title":"Development of an Installation for Heat Treatment of Sucker Rods with the Use of Fuzzy Logic","authors":"E. A. Aliyev,&nbsp;J. R. Damirova","doi":"10.1007/s11041-025-01179-6","DOIUrl":"10.1007/s11041-025-01179-6","url":null,"abstract":"<p>We develop and implement a system for heat treatment of sucker rods based on the use of the algorithms of fuzzy logic and aimed at the automation of the process, reducing of human intervention in the process, and improving the accuracy of parameter control. The system makes it possible to dynamically adjust critical parameters, such as quenching temperature, feed speed, and the time of stay in the treatment zone. In the system, we use a Mamdani-type fuzzy logic controller combining the data of sensors and the rules specified by the operator in order to attain the optimal productivity.We tested a system on sucker rods of different lengths (7.5, 8.0, and 9.14 m) and diameters (16 – 22 mm) made of carbon, alloyed, and high-alloy steels. The application of the system makes it possible to realize consecutive control of the parameters of heat treatment, get a uniform distribution of hardness, and reduce the number of defects caused by manual works. Moreover, the use of automated loading and unloading mechanisms elevated the efficiency and decreased the time of production. As compared with traditional control methods, the proposed approach based on the use of fuzzy logic guarantees a significant improvement of the accuracy of heat treatment and the mechanical properties of rods.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"429 - 433"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Solute Atoms and Precipitates on Austenite Grain Growth in Fe – C – Nb Steel 溶质原子和析出物对Fe - C - Nb钢奥氏体晶粒生长的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01170-1
Chao Lu, Jianchun Cao, Xing Liu, Weinan Zhao, Jiao Xu
{"title":"Effect of Solute Atoms and Precipitates on Austenite Grain Growth in Fe – C – Nb Steel","authors":"Chao Lu,&nbsp;Jianchun Cao,&nbsp;Xing Liu,&nbsp;Weinan Zhao,&nbsp;Jiao Xu","doi":"10.1007/s11041-025-01170-1","DOIUrl":"10.1007/s11041-025-01170-1","url":null,"abstract":"<p>The patterns of austenite grain growth in the structure of high-carbon Fe – C – Nb steels of various compositions and different states of precipitates containing Nb were studied. The morphology of primary austenite and distribution of precipitates at temperatures of 1050 – 1200°C are analyzed. It is found that in steel not containing Si and Mn, when the temperature increases above 1100°C, precipitates dissolve and become larger, resulting in growth of austenite grain. It is shown that an increase in the Nb content in steel and refinement of precipitates in its structure contribute to effective inhibition of austenite grain growth during reheating. In addition, steel containing Si and Mn is not prone to austenite grain growth.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"356 - 368"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Low Degree Cold Deformation on Hardening During Artificial Aging of Sheets Made from Alloys of the Al – Mg – Si System 低度冷变形对Al - Mg - Si系合金板材人工时效硬化的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-04 DOI: 10.1007/s11041-025-01173-y
V. V. Yashin, Ye. V. Aryshensky, A. M. Drits, A. F. Grechnikova, Ya. A. Yerisov, D. Yu. Rasposienko
{"title":"Effect of Low Degree Cold Deformation on Hardening During Artificial Aging of Sheets Made from Alloys of the Al – Mg – Si System","authors":"V. V. Yashin,&nbsp;Ye. V. Aryshensky,&nbsp;A. M. Drits,&nbsp;A. F. Grechnikova,&nbsp;Ya. A. Yerisov,&nbsp;D. Yu. Rasposienko","doi":"10.1007/s11041-025-01173-y","DOIUrl":"10.1007/s11041-025-01173-y","url":null,"abstract":"<p>The article examines the poorly studied effect of reducing the strength properties of artificially aged aluminum sheets made of Al – Mg – Si alloys preliminarily subjected to plastic deformation. Specimens of cold-rolled strip made of alloy 6022 obtained in industrial production were investigated. To assess the magnitude of deformations occurring during sheet stamping of car structural parts, the processes of forming the C- and D-pillars, the inner parts of the hood and the tray were modeled using the PAM-Stamp 2G software package. Quenching, stabilizing heat treatment, deformation, and artificial aging were performed under laboratory conditions. The mechanical properties of the alloy were determined during tensile testing of flat specimens. Transmission electron microscopy was used to investigate the microstructure of the alloy. Thermal hardening was found to slow down after stabilizing heat treatment and deformation. This effect is explained by the fact that the Mg – Si clusters formed in the course of stabilizing heat treatment are destroyed during deformation. As a result, artificial aging in the samples begins at an earlier stage of thermal hardening.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"383 - 391"},"PeriodicalIF":0.5,"publicationDate":"2025-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relationship Between the Mechanical Properties of Spheroidal Graphite Cast Iron and the Parameters of Graphite and the Structure of the Metallic Matrix 球墨铸铁力学性能与石墨参数及基体组织的关系
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-04 DOI: 10.1007/s11041-025-01171-0
V. V. Yurov, A. A. Zhogova, I. A. Tsyganov, N. A. Pripadcheva
{"title":"Relationship Between the Mechanical Properties of Spheroidal Graphite Cast Iron and the Parameters of Graphite and the Structure of the Metallic Matrix","authors":"V. V. Yurov,&nbsp;A. A. Zhogova,&nbsp;I. A. Tsyganov,&nbsp;N. A. Pripadcheva","doi":"10.1007/s11041-025-01171-0","DOIUrl":"10.1007/s11041-025-01171-0","url":null,"abstract":"<p>The article investigates the effect of the shape, distribution, and diameter of graphite inclusions as well as the content of ferrite, pearlite, and carbides in the structure of spheroidal graphite cast iron (SGCI) on its mechanical properties. Nine structural SGCI groups with ferritic, ferritic-pearlitic, and pearlite-ferritic matrices which differ in graphite parameters and the content of pearlite, ferrite, and carbides are analyzed. The cast iron microstructure was studied using optical microscopes and quantitative metallography methods. The mechanical properties were determined in static tensile strength tests. Regression equations were constructed to calculate the tensile strength and elongation values for cast irons with different structures.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"369 - 375"},"PeriodicalIF":0.5,"publicationDate":"2025-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of T6 Heat Treatment on Mechanical Properties and Corrosion Behaviors of Al – 9.5Si – 1.5Cu – 0.45Mg Alloy T6热处理对Al - 9.5Si - 1.5Cu - 0.45Mg合金力学性能和腐蚀行为的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-04 DOI: 10.1007/s11041-025-01175-w
Yingjun Zhang, Qingbo Zhou, Xu Guo, Xinying Teng, Jinfeng Leng, Guorong Zhou
{"title":"Effects of T6 Heat Treatment on Mechanical Properties and Corrosion Behaviors of Al – 9.5Si – 1.5Cu – 0.45Mg Alloy","authors":"Yingjun Zhang,&nbsp;Qingbo Zhou,&nbsp;Xu Guo,&nbsp;Xinying Teng,&nbsp;Jinfeng Leng,&nbsp;Guorong Zhou","doi":"10.1007/s11041-025-01175-w","DOIUrl":"10.1007/s11041-025-01175-w","url":null,"abstract":"<p>The effect of the T6 heat treatment mode on the microstructure, mechanical properties and corrosion behaviour of the Al – 9.5Si – 1.5Cu – 0.45Mg (Al – Si – Cu – Mg) alloy was studied. It was found that the most effective T6 heat treatment mode for the Al – Si – Cu – Mg alloy is the following: heating to 490°C with a 5-hour hold, then heating to 530°C with a 4-hour hold and subsequent water quenching, followed by aging at 150°C for 12 hours. In the cast state, the alloy has a tensile strength of 225 MPa and a corrosion depth of 20 μm in a 3.5% NaCl solution. After T6 heat treatment according to the proposed mode, the tensile strength of the Al – Si – Cu – Mg alloy increases to 397 MPa, and the corrosion depth in a 3.5% NaCl solution decreases to 13 μm. The enhancement of strength and corrosion resistance of the alloy after aging is attributed to the spheroidization and refinement of the Si phase, fine 8-Al<sub>2</sub>Cu and Q-Al<sub>5</sub>Cu<sub>2</sub>Mg<sub>8</sub>Si<sub>6</sub> precipitates.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"398 - 407"},"PeriodicalIF":0.5,"publicationDate":"2025-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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